updated to fix drawing errors

app.py

@@ -27,5 +27,12 @@ def main():
         canvas_image.save("canvas_image.jpg", "JPEG")
         st.sidebar.success("Image saved as JPEG!")
 
+def draw_on_canvas():
+    canvas = st.image(canvas_image, use_column_width=True, clamp=True, channels="RGB")
+    canvas_drawing = canvas_image.drawings
+    if canvas_drawing:
+        for drawing in canvas_drawing:
+            draw.line(drawing["points"], fill="black", width=2)
+
 if __name__ == "__main__":
     main()